NO. 1225. SOME NE W DIPTERA— COQ UILLETT. 617 



yellow; all hairs and bristles except those of the calypteres black; 

 wing-s g'ray, the extreme bases yellowish, apex of tirst vein consider- 

 ably beyond the small crossvein; lenoth, 5,5 mm. A female specimen, 

 collected Aiig-ust 17 l)y Prof. T. D. A. Cockerel!. 



Ilah'dat. — Beulah, New Mexico. 



Type.— C^i. No. 5504, U.S.N.M. 



DRYOMYZA ARISTALIS, new species. 



Head light yellow, front polished, a brown fascia on its lower part, 

 face, except on the sides, highly polished, blackish brown, antennae 

 yellow, the third joint ellipsoidal, arista black, very thick at base, 

 densely covered with long black hairs, clypeus not projecting-, pro- 

 boscis dark yellow, palpi yellowish, the apices brown; body reddi.sh 

 yellow, polished, one bristle and a few short hairs above each front 

 coxte, several short hairs on upper hind corner of the mesopleura, 

 which is otherwise bare, pteropleura bearing one or two bristles and a 

 few short hairs, sternopleura covered with short hairs but destitute of 

 bristles; legs light vellow, a brown spot on apical portion of anterior 

 side of each front femur, front tibia? and their tarsi black, apices of other 

 tarsi brown; wings hyaline, base of submarginal cell slightly liefore 

 l)ase of discal, apex of first vein opposite the small crossvein; all hairs 

 and bristles, except those on the calypteres. black; length, 7 mm. A 

 female specimen, collected by Mr. W. Hague Harrington. 



Habitat . — Ottawa, Canada. 



Type.—(^2X. No. 5505, U.S.N.M. 



Family PSILID.E. 



PSILA FRONTALIS, new species. 



Yellow, polished, the frontal triangle, reaching nearly to lower end 

 of the front, black, polished, antennal arista and bristles of head and 

 body black, the arista pubescent; antennae slightly over half as long as 

 face, the third joint one-half longer than broad, eyes slightly higher 

 than long; wings yellowish hyaline, the veins yellow; length. 8 to 3.5 

 mm. Two males and one female, the latter collected by Mrs. Annie 

 T. Slosson, 



Habitat. — Franconia, New Hampshire. 



Tyjye.—C^i. No. 5.506. r.S.N.:\I. 



LOXOCERA FUMIPENNIS, new species. 



Head yellow, three spots on upper part of occiput, the front except 

 the orbits, and the face except a triangular spot in middle of lower 

 part, black; front subopaque, the large triangle highly polished, 

 anteiuicC linear, almost twice as long as the face, black, the siH'ond joint 

 brown, arista nearly bare, yellow, the apical portion whitish; proboscis 



